152 Proceedings at the Meetings. 
The following was elected a Fellow of the Society : 
F. W. Aston, B.A., Trinity College. 
The following Communications were made: 
1. The Conductivity of Extremely Dilute Acid and Alkali Solu- — 
tions. By H. H. Pains, M.A., Trinity College, and G. T. R. Evans. 
2. Studies in Synthetic Logic. By N. Wiener. (Communicated 
by Mr G. H. Hardy.) 
November 9th, 1914. 
In the Cavendish Laboratory. 
ProFressor NEWALL, PRESIDENT, IN THE CHAIR. 
The following was elected a Fellow of the Society : 
A. M. Smith, M.A., Emmanuel College. 
The following was elected an Associate of the Society : 
Miss G. L. Buckley, Girton College. 
The following Communications were made : 
1. Experiments with slow Cathode Rays. By Professor Sir J. J. 
THOMSON. 
2. Note on the conditions of stability of electrified drops. By 
J. Zeveny, B.A. (Communicated by Professor Sir J. J. Thomson.) 
November 23rd, 1914. 
In the Comparative Anatomy Lecture Room. 
ProFessoR NEwALL, PRESIDENT, IN THE CHAIR. 
The following Communications were made: 
1. Some notes on Insect Parasites. By W. R. THompson. (Com- 
municated by Mr F. A. Potts.) 
2. Some Insect Flagellates introduced into Vertebrates. By 
Dr H. B. Fantuam and Miss ANnNiE PorTER. 
